2004-10-26 18:39:13 +00:00
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// -*- C++ -*-
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/**
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* \file mover.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Angus Leeming
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef MOVER_H
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#define MOVER_H
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#include <map>
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#include <string>
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/**
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* Utility to copy a file of a specified format from one place to another.
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* This base class simply invokes the command support::copy().
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*/
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class Mover
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{
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public:
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virtual ~Mover() {}
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/** Copy file @c from to @c to.
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2004-11-01 08:50:42 +00:00
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* This version should be used to copy files from the original
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* location to the temporary directory, since @c to and @c latex
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* would be equal in this case.
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2004-10-26 18:39:13 +00:00
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* \returns true if successful.
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*/
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bool
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copy(std::string const & from, std::string const & to) const
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{
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2004-11-01 08:50:42 +00:00
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return do_copy(from, to, to);
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}
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/** Copy file @c from to @c to.
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* \see SpecialisedMover::SpecialisedMover() for an explanation of
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* @c latex.
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* This version should be used to copy files from the temporary
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* directory to the export location, since @c to and @c latex may
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* not be equal in this case.
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* \returns true if successful.
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*/
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bool
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copy(std::string const & from, std::string const & to,
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std::string const & latex) const
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{
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return do_copy(from, to, latex);
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2004-10-26 18:39:13 +00:00
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}
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/** Rename file @c from as @c to.
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2004-11-01 08:50:42 +00:00
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* This version should be used to move files from the original
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* location to the temporary directory, since @c to and @c latex
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* would be equal in this case.
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2004-10-26 18:39:13 +00:00
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* \returns true if successful.
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*/
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bool
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rename(std::string const & from, std::string const & to) const
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{
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2004-11-01 08:50:42 +00:00
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return do_rename(from, to, to);
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}
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/** Rename file @c from as @c to.
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* \see SpecialisedMover::SpecialisedMover() for an explanation of
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* @c latex.
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* This version should be used to move files from the temporary
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* directory to the export location, since @c to and @c latex may
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* not be equal in this case.
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* \returns true if successful.
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*/
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bool
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rename(std::string const & from, std::string const & to,
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std::string const & latex) const
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{
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return do_rename(from, to, latex);
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2004-10-26 18:39:13 +00:00
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}
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protected:
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virtual bool
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2004-11-01 08:50:42 +00:00
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do_copy(std::string const & from, std::string const & to,
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std::string const &) const;
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2004-10-26 18:39:13 +00:00
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virtual bool
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2004-11-01 08:50:42 +00:00
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do_rename(std::string const & from, std::string const & to,
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std::string const &) const;
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2004-10-26 18:39:13 +00:00
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};
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/**
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* Specialisation of the Mover concept that uses an external command
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* to copy a file.
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*
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* For example, an XFig .fig file can contain references to external
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* picture files. If such a reference has a relative path, then the
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* copied .fig file will require a transformation of the picture file
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* reference if it is to be found by XFig.
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*/
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2005-01-19 15:03:31 +00:00
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class SpecialisedMover : public Mover
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2004-10-26 18:39:13 +00:00
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{
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public:
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2004-10-26 18:39:13 +00:00
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SpecialisedMover() {}
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/** @c command should be of the form
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* <code>
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2006-08-08 21:17:08 +00:00
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* python $$s/scripts/fig_copy.py $$i $$o $$l
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2004-10-26 18:39:13 +00:00
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* </code>
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2005-01-20 15:02:16 +00:00
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* where $$s is a placeholder for the lyx support directory,
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2004-10-26 18:39:13 +00:00
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* $$i is a placeholder for the name of the file to be moved,
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2004-11-01 08:50:42 +00:00
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* $$o is a placeholder for the name of the file after moving,
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* $$l is a placeholder for the name of the file after moving,
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* suitable as argument to a latex include command. This is
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* either an absolute filename or relative to the master
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* document.
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* $$o and $$l can only differ if the file is copied from the
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* temporary directory to the export location. If it is copied
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* from the original location to the temporary directory, they
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* are the same, so $$l may be ommitted in this case.
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2004-10-26 18:39:13 +00:00
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*/
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SpecialisedMover(std::string const & command)
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: command_(command) {}
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/// The template used to launch the external command.
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std::string const & command() const { return command_; }
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private:
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virtual bool
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2004-11-01 08:50:42 +00:00
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do_copy(std::string const & from, std::string const & to,
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std::string const & latex) const;
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2004-10-26 18:39:13 +00:00
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virtual bool
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2004-11-01 08:50:42 +00:00
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do_rename(std::string const & from, std::string const & to,
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std::string const & latex) const;
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2004-10-26 18:39:13 +00:00
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std::string command_;
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};
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/**
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* Manage the store of (Mover)s.
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*/
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class Movers
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{
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public:
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/** Register a specialised @c command to be used to copy a file
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* of format @c fmt.
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*/
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void set(std::string const & fmt, std::string const & command);
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/// @c returns the Mover registered for format @c fmt.
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Mover const & operator()(std::string const & fmt) const;
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/** @returns the command template if @c fmt 'finds' a
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* SpecialisedMover. Otherwise, returns an empty string.
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*/
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std::string const command(std::string const & fmt) const;
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private:
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typedef std::map<std::string, SpecialisedMover> SpecialsMap;
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public:
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typedef SpecialsMap::const_iterator iterator;
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iterator begin() const { return specials_.begin(); }
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iterator end() const { return specials_.end(); }
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private:
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Mover default_;
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SpecialsMap specials_;
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};
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extern Movers movers;
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extern Movers system_movers;
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#endif // MOVER_H
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